Faber-Castell's DUST-Free eraser series for writing pencils and colored pencils produce less waste and they don't contain harmful phthalate plasticizers. Phthalates have been blamed for various adverse effects when they come into contact with the human body. However, phthalates are still widely used in eraser production worldwide. - The balanced composition of DUST-Free erasers guarantees smooth, smudge-free erasing. - Clean and smooth erasing. - No waste: the waste become uniform during erasing, creating less waste. - Colour: blue. - 22x45x13mm.